Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study

Abstract Background The association between recurrent aphthous stomatitis (RAS) and neoplasms of the mouth and pharynx (NOMAP) has been reported in some previous observational studies. However, causality is still confused. Our research aims to explore the relationship between RAS and NOMAP through a...

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Main Authors: Youzhan Yang, Jincheng Zhang, Chunsheng Yuan, Zhiqiang Cheng
Format: Article
Language:English
Published: BMC 2024-11-01
Series:BMC Cancer
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Online Access:https://doi.org/10.1186/s12885-024-13140-6
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author Youzhan Yang
Jincheng Zhang
Chunsheng Yuan
Zhiqiang Cheng
author_facet Youzhan Yang
Jincheng Zhang
Chunsheng Yuan
Zhiqiang Cheng
author_sort Youzhan Yang
collection DOAJ
description Abstract Background The association between recurrent aphthous stomatitis (RAS) and neoplasms of the mouth and pharynx (NOMAP) has been reported in some previous observational studies. However, causality is still confused. Our research aims to explore the relationship between RAS and NOMAP through a Mendelian randomization (MR) analysis and to explore whether RAS can serve as a risk factor for NOMAP to provide a reference for the clinical strategy. Methods An exposure dataset for RAS were collected from a published study based on the UK Biobank (UKB). Outcome datasets included Genome-wide association studies (GWAS) summary statistics of NOMAP from the FinnGen datasets. The core method was inverse variance weighting (IVW). The Bonferroni correction, MR-Egger, weighted median, weighted mode, Cochcan’s Q test, MR-PRESSO, and leave-one-out methods served as complementary methods. Results We found no significant evidence of causal relationships between RAS and NOMAP. After applying the Bonferroni correction, the corrected P was equal to 0.00625 (0.05/1/8). The IVW method provided the sole evidence for RAS on Benign neoplasm of floor of mouth (BNFM) (OR = 2.509, 95% CI: 1.296–4.857, P = 0.006), but the subsequent MR-Egger regression method showed that this result may be due to horizontal pleiotropy (P = 0.035). The Cochran Q-test, MR-Egger regression, and MR-PRESSO did not reveal any heterogeneity or directional pleiotropy for the other outcomes. Conclusions In conclusion, this is the first MR analysis to investigate the relationship between RAS and NOMAP. Our research confirmed at the genetic level that no causal association has been identified between RAS and NOMAP, therefore facilitating a logical therapeutic perspective and the development of clinical therapies for them.
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spelling doaj-art-450be5fae75e46ec8d821e2a969d0c4c2024-11-10T12:29:43ZengBMCBMC Cancer1471-24072024-11-0124111010.1186/s12885-024-13140-6Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization studyYouzhan Yang0Jincheng Zhang1Chunsheng Yuan2Zhiqiang Cheng3Graduate School of Beijing University of Chinese MedicineGraduate School of Beijing University of Chinese MedicineGraduate School of Beijing University of Chinese MedicineDepartment of Integrated Traditional Chinese and Western Medicine Oncology, China-Japan Friendship HospitalAbstract Background The association between recurrent aphthous stomatitis (RAS) and neoplasms of the mouth and pharynx (NOMAP) has been reported in some previous observational studies. However, causality is still confused. Our research aims to explore the relationship between RAS and NOMAP through a Mendelian randomization (MR) analysis and to explore whether RAS can serve as a risk factor for NOMAP to provide a reference for the clinical strategy. Methods An exposure dataset for RAS were collected from a published study based on the UK Biobank (UKB). Outcome datasets included Genome-wide association studies (GWAS) summary statistics of NOMAP from the FinnGen datasets. The core method was inverse variance weighting (IVW). The Bonferroni correction, MR-Egger, weighted median, weighted mode, Cochcan’s Q test, MR-PRESSO, and leave-one-out methods served as complementary methods. Results We found no significant evidence of causal relationships between RAS and NOMAP. After applying the Bonferroni correction, the corrected P was equal to 0.00625 (0.05/1/8). The IVW method provided the sole evidence for RAS on Benign neoplasm of floor of mouth (BNFM) (OR = 2.509, 95% CI: 1.296–4.857, P = 0.006), but the subsequent MR-Egger regression method showed that this result may be due to horizontal pleiotropy (P = 0.035). The Cochran Q-test, MR-Egger regression, and MR-PRESSO did not reveal any heterogeneity or directional pleiotropy for the other outcomes. Conclusions In conclusion, this is the first MR analysis to investigate the relationship between RAS and NOMAP. Our research confirmed at the genetic level that no causal association has been identified between RAS and NOMAP, therefore facilitating a logical therapeutic perspective and the development of clinical therapies for them.https://doi.org/10.1186/s12885-024-13140-6Recurrent aphthous stomatitisNeoplasms of the mouth and pharynxMendelian randomizationGWAS
spellingShingle Youzhan Yang
Jincheng Zhang
Chunsheng Yuan
Zhiqiang Cheng
Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
BMC Cancer
Recurrent aphthous stomatitis
Neoplasms of the mouth and pharynx
Mendelian randomization
GWAS
title Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
title_full Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
title_fullStr Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
title_full_unstemmed Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
title_short Recurrent aphthous stomatitis and neoplasms of the mouth and pharynx: a two-sample Mendelian randomization study
title_sort recurrent aphthous stomatitis and neoplasms of the mouth and pharynx a two sample mendelian randomization study
topic Recurrent aphthous stomatitis
Neoplasms of the mouth and pharynx
Mendelian randomization
GWAS
url https://doi.org/10.1186/s12885-024-13140-6
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